package edu.hz.pro1_50;

import java.util.Scanner;

public class Main1000 {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNext()){
            int a = scanner.nextInt();
            int b = scanner.nextInt();
            System.out.println(a + b);
        }
    }
}
